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Siemens 4RB2028-1EJ50

Power capacitor PHICAP MKP 480 V 2.8 kVAr

SiemensMFR # 4RB2028-1EJ50SKU # CEY-8EF3B0389247

type of internal interconnectionno value

type of certificationCE

type of enclosure materialExtruded round aliuminum can with stud

type of mechanical safetyOverpressure disconnector (3-phase)

standardIEC 60831-1 / -2

operating frequency 1 rated value50 Hz

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About This Product

Siemens 4RB2028-1EJ50 (Power capacitor PHICAP MKP 480 V 2.8 kVAr) is supplied genuine and fast by Yılsa Engineering. Get an instant quote for Siemens 4RB2028-1EJ50 — price, stock availability and technical specifications.

Siemens 4RB2028-1EJ50

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Specifications

Model

type of internal interconnectionno value

type of certificationCE

type of enclosure materialExtruded round aliuminum can with stud

type of mechanical safetyOverpressure disconnector (3-phase)

standardIEC 60831-1 / -2

General technical data

capacitor voltage (rms value) rated value480 V

capacitor voltage (rms value) maximumVN +10% (up to 8 h daily), VN +15% (up to 30 min daily), VN +20% (up to 5 min daily), VN +30% (up to 1 min daily)

operating frequency 1 rated value50 Hz

operating frequency 2 rated value60 Hz

capacity rated value38.5 µF

relative negative tolerance of the capacity rated value5 %

relative positive tolerance of the capacity rated value1 %

reactive power of the capacitor at 50 Hz rated value2.8 kvar

reactive power of the capacitor at 60 Hz rated value3.3 kvar

clearance minimum10.4 mm

creepage distance minimum15.4 mm

type of dielectricSelf-healing metallized polypropylene film

fillerfilled with Non PCB, Soft biodegradable resin

safety features of the integrated discharge resistorsDischarge time ≤ 180 s to 75 V or less for safe discharging

voltage test between the terminals2.15 x VN at 50Hz / 2 s

voltage test between the terminals and housing3000 V AC / 50Hz, 10s

capacitor voltage (rms value) rated value480 V

capacitor voltage (rms value) maximum noteVN +10% (up to 8 h daily), VN +15% (up to 30 min daily), VN +20% (up to 5 min daily), VN +30% (up to 1 min daily)

Current

inrush current peak of the capacitor200 x In

short-circuit current maximum10 kA

capacitor current at 50 Hz rated value10.1 A

capacitor current at 60 Hz rated value12.1 A

terminal current maximum-9 999 A

Protection class

protection class IP of the terminalIP00

Dissipation

capacitor losses [W] in dielectric per kvar0.2 W

capacitor losses [W] per kvar total0.45 W

1 rated value50 Hz

2 rated value60 Hz

Product details

type of coolingnatural or forced air cooling

type of enclosure materialExtruded round aliuminum can with stud

type of mechanical safetyOverpressure disconnector (3-phase)

product component external discharge resistorYes

Connections

type of connecting terminalPhiCap_Fast-On_1Ph

tightening torque maximum-9 999 N·m

tightening torque of the screw for securing the equipment maximum10 N·m

connectable conductor cross-section of the terminal for copper conductor stranded without cable lug-9 999 m²

Mechanical Design

length of the capacitor142 mm

length of the capacitor with connections maximum157 mm

total length of the capacitor with mounting and connections maximum173 mm

fastening methodThreaded bolt M12

diameter of the capacitor63.5 mm

diameter of the capacitor maximum64.5 mm

mounting positionUpright

Net Weight903 g

Environmental conditions

installation altitude maximum4 000 m

MTBF at temperature class -40/C maximum135 h

MTBF at temperature class -40/D maximum100 h

MTBF at temperature class -40/60 maximum-9 999 s

standardIEC 60831-1 / -2

relative humidity without condensation maximum95 %

temperature classes of the capacitorsClass -40/D: Max. short time: +55 °C, max. mean 24h: +45 °C; max mean 1 year: +35 °C; lowest temperature: -40 °C

minimum-40 °C

maximum55 °C

minimum-40 °C

maximum85 °C

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Siemens 4RB2028-1EJ50

About This Product

Siemens 4RB2028-1EJ50

Specifications

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